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Federal Department of Home Affairs FDHA Federal Office of Meteorology and Climatology Meteo. Swiss

Federal Department of Home Affairs FDHA Federal Office of Meteorology and Climatology Meteo. Swiss PP QPF Workshop 8 March 2007, Langen

Welcome … … and Introduction: Aim of this workshop • Collect results (deliverables) of

Welcome … … and Introduction: Aim of this workshop • Collect results (deliverables) of task 3. 1. • Identify missing things for joint assessment (task 3. 2) • Define next steps. • Plan summary report and paper. PP QPF Workshop | Langen, 8 March 2007 Marco Arpagaus (marco. arpagaus [at] meteoswiss. ch) 2

Aim of this workshop • Collect results (deliverables) of task 3. 1. done! •

Aim of this workshop • Collect results (deliverables) of task 3. 1. done! • Identify missing things for joint assessment (task 3. 2) done. • Define next steps. • Consolidate common findings (lead: Silke). • In parallel: visually inspect cases with most significant changes; perform 'recommended analysis'. • Prepare some further sensitivity studies (see next page; lead: Axel). • Run additional sensitivity studies (maybe 5? ). • Plan summary report (and proposal for follow-up project? ) and paper. PP QPF Workshop | Langen, 8 March 2007 Marco Arpagaus (marco. arpagaus [at] meteoswiss. ch) 3

Aim of this workshop • Collect results (deliverables) of task 3. 1. done! •

Aim of this workshop • Collect results (deliverables) of task 3. 1. done! • Identify missing things for joint assessment (task 3. 2) done; deliver asap, but Fri 30 March the latest. • Define next steps. • Consolidate common findings (lead: Silke); Fri 13 April. • In parallel, and until Fri 27 April: visually inspect cases with most significant changes; perform 'recommended analysis'. • Prepare some further sensitivity studies (see next page) until Fri 27 April (lead: Axel). • Run additional sensitivity studies (maybe 5? ) and submit all relevant results until Fri 29 June. • Plan summary report (new due date: COSMO General Meeting) and paper (end of 2007). PP QPF Workshop | Langen, 8 March 2007 Marco Arpagaus (marco. arpagaus [at] meteoswiss. ch) 4

Additional sensitivity studies • COSMO V 3. 22 (or 4. 1)! • IFS convection

Additional sensitivity studies • COSMO V 3. 22 (or 4. 1)! • IFS convection scheme (if implemented until 20. 4). • IFS lateral boundaries. • LME analysis favoured • another PBL related study? • Targeted diffusion? ? ? • Cross-experiments! • qv 090 & RK & 3. 22 & ? for overprediction in winter • some micro & some con & ? for overprediction in summer • ? PP QPF Workshop | Langen, 8 March 2007 Marco Arpagaus (marco. arpagaus [at] meteoswiss. ch) 5